Author Stephenie Meyer calls "Breaking Dawn" -- the fourth and final book in her wildly popular "Twilight" saga -- "the end of Bella's story." The book, which went on sale at midnight, has spawned bookstore parties and vampire and werewolf costume-wearing fans, the likes of which haven't been seen since Harry Potter mania. Meyer told "Good Morning America" on July 31 that "I don't know if I'm completely finished with the characters." This could be great news for old and new fans alike. Since...Full Story